在某些语言中，null与字符串相加，会变成null字符串。但C#中不会，C#就当它不存在。Response.Write(null + "abc");如上结果，就是abc。...

异常处理汇总-开发工具 http://www.cnblogs.com/dunitian/p/4522988.html...

$('#startTime').daterangepicker({singleDatePicker:true,format:"YYYY-MM-DDHH:mm:ss",timePicker:true}); ...

<iftest="operatorDateStart!=nullandoperatorDateStart!=''">operator_date>=#{operatorDateStart,jdbcType=VARCHAR}</if><iftest="operatorDateEnd!=n...

$.ajax({type:"POST",url:"<%=basePath%>car_savecarcustomer",dateType:"text/html",data:$("#addForm").serialize(),success:function(result){if(result=="1"){if...

 <?php$tomorrow=mktime(0,0,0,date("m"),date("d")+1,date("Y"));echo"Tomorrowis".date("Y/m/d",$tomorrow);?>输出Tomorrowis2009/05/12 ...

`update_time`timestampNOTNULLDEFAULTCURRENT_TIMESTAMPONUPDATECURRENT_TIMESTAMPCOMMENT'更新时间',`create_time`timestampNOTNULLDEFAULTCURRENT_TIMESTAMPCOMMENT'创建时间',&...

@usingSystem.Data@usingAdf.App.Interface.Entity@usingAdf.App.Service.Service@usingAdf.Core.Database@usingAdf.Core.Util@usingAdf.Core.Web@{   /***...